High- k gate dielectric GaAs MOS device with LaON as interlayer and NH3-plasma surface pretreatment
Liu Chao-Wen, Xu Jing-Ping†, Liu Lu, Lu Han-Han
       
As 3d XPS spectra of the two plasma-treated samples. (a) NH3-HfTiON/LaON sample and (b) N2-HfTiON/LaON sample.